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本文推导了一组关于二 RC 环节有源带通滤波器的理论计算公式,并把它应用于有源带通滤波器的设计。经过反复的实验,证明这些公式是正确的。兹介绍如下。一、二 RC 环节有源低通滤波器频率传递函数的推导二RC 环节有源低通滤波器电原理图如图1所示。
This paper deduces a set of theoretical calculation formulas for the active band-pass filter of the second RC link and applies it to the design of the active band-pass filter. After repeated experiments to prove that these formulas are correct. Here is the introduction. One or two RC link active low-pass filter frequency transfer function of the derivation Two RC link active low-pass filter circuit diagram shown in Figure 1.